US7414986B2 - System and method for controlling wireless LAN bandwidth allocation - Google Patents

System and method for controlling wireless LAN bandwidth allocation Download PDF

Info

Publication number
US7414986B2
US7414986B2 US10/497,573 US49757304A US7414986B2 US 7414986 B2 US7414986 B2 US 7414986B2 US 49757304 A US49757304 A US 49757304A US 7414986 B2 US7414986 B2 US 7414986B2
Authority
US
United States
Prior art keywords
txop
sta
bandwidth
response
polling
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related, expires
Application number
US10/497,573
Other languages
English (en)
Other versions
US20050174973A1 (en
Inventor
Srinivas Kandala
John Kowalski
Yoshihiro Ohtani
Shugong Xu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sharp Corp
Original Assignee
Sharp Laboratories of America Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sharp Laboratories of America Inc filed Critical Sharp Laboratories of America Inc
Priority to US10/497,573 priority Critical patent/US7414986B2/en
Assigned to SHARP LABORATORIES OF AMERICA, INC. reassignment SHARP LABORATORIES OF AMERICA, INC. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: KOWALSKI, JOHN, XU, SHUGONG, KANDALA, SRINIVAS, OHTANI, YOSHIHIRO
Assigned to SHARP LABORATORIES OF AMERICA, INC. reassignment SHARP LABORATORIES OF AMERICA, INC. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: SHARP LABORATORIES OF AMERICA, INC.
Publication of US20050174973A1 publication Critical patent/US20050174973A1/en
Priority to US12/170,281 priority patent/US7957331B2/en
Application granted granted Critical
Publication of US7414986B2 publication Critical patent/US7414986B2/en
Assigned to SHARP KABUSHIKI KAISHA reassignment SHARP KABUSHIKI KAISHA ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: SHARP LABORATORIES OF AMERICA INC.
Expired - Fee Related legal-status Critical Current
Adjusted expiration legal-status Critical

Links

Images

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access, e.g. scheduled or random access
    • H04W74/04—Scheduled or contention-free access
    • H04W74/06—Scheduled or contention-free access using polling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/18—TPC being performed according to specific parameters
    • H04W52/28—TPC being performed according to specific parameters using user profile, e.g. mobile speed, priority or network state, e.g. standby, idle or non transmission
    • H04W52/287—TPC being performed according to specific parameters using user profile, e.g. mobile speed, priority or network state, e.g. standby, idle or non transmission when the channel is in stand-by
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • H04W52/0212—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is master and terminal is slave
    • H04W52/0216—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is master and terminal is slave using a pre-established activity schedule, e.g. traffic indication frame
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/38—TPC being performed in particular situations
    • H04W52/50—TPC being performed in particular situations at the moment of starting communication in a multiple access environment
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access, e.g. scheduled or random access
    • H04W74/002—Transmission of channel access control information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/10—Small scale networks; Flat hierarchical networks
    • H04W84/12—WLAN [Wireless Local Area Networks]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
US10/497,573 2002-08-02 2003-07-31 System and method for controlling wireless LAN bandwidth allocation Expired - Fee Related US7414986B2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US10/497,573 US7414986B2 (en) 2002-08-02 2003-07-31 System and method for controlling wireless LAN bandwidth allocation
US12/170,281 US7957331B2 (en) 2002-08-02 2008-07-09 Power saving wireless local area network portable device

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US40051102P 2002-08-02 2002-08-02
PCT/US2003/024217 WO2004012493A2 (fr) 2002-08-02 2003-07-31 Systeme et procede de commande d'attribution de largeur de bande d'un reseau local (lan) sans fil
US10/497,573 US7414986B2 (en) 2002-08-02 2003-07-31 System and method for controlling wireless LAN bandwidth allocation

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US12/170,281 Division US7957331B2 (en) 2002-08-02 2008-07-09 Power saving wireless local area network portable device

Publications (2)

Publication Number Publication Date
US20050174973A1 US20050174973A1 (en) 2005-08-11
US7414986B2 true US7414986B2 (en) 2008-08-19

Family

ID=31495831

Family Applications (2)

Application Number Title Priority Date Filing Date
US10/497,573 Expired - Fee Related US7414986B2 (en) 2002-08-02 2003-07-31 System and method for controlling wireless LAN bandwidth allocation
US12/170,281 Expired - Fee Related US7957331B2 (en) 2002-08-02 2008-07-09 Power saving wireless local area network portable device

Family Applications After (1)

Application Number Title Priority Date Filing Date
US12/170,281 Expired - Fee Related US7957331B2 (en) 2002-08-02 2008-07-09 Power saving wireless local area network portable device

Country Status (6)

Country Link
US (2) US7414986B2 (fr)
EP (1) EP1529362A4 (fr)
JP (1) JP4079943B2 (fr)
CN (1) CN1706136A (fr)
AU (1) AU2003265344A1 (fr)
WO (1) WO2004012493A2 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050013316A1 (en) * 2003-07-14 2005-01-20 Siemens Technology -To-Business Center Llc. Method and apparatus for providing a delay guarantee for a wireless network
US20070281617A1 (en) * 2006-06-02 2007-12-06 Arnaud Meylan Efficient operation for co-located WLAN and bluetooth
US20120207143A1 (en) * 2006-12-21 2012-08-16 Nxp B.V. Quality of service for wlan and bluetooth combinations

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7154859B2 (en) * 2001-10-24 2006-12-26 The Boeing Company Method for improving bandwidth performance of a mobile computer network
US7519032B2 (en) * 2002-09-04 2009-04-14 Koninklijke Philips Electronics N.V. Apparatus and method for providing QoS service schedule and bandwidth allocation to a wireless station
CN1706158B (zh) * 2002-10-17 2013-09-04 皇家飞利浦电子股份有限公司 调度系统及其方法
KR100938845B1 (ko) * 2002-11-05 2010-01-26 삼성전자주식회사 무선통신시스템 및 그 무선통신방법
JP4824405B2 (ja) * 2002-11-08 2011-11-30 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ ＱｏＳをサポートするＩＥＥＥ８０２．１１ＥのＭＡＣシグナリング
US7412265B2 (en) * 2003-06-12 2008-08-12 Industrial Technology Research Institute Method and system for power-saving in a wireless local area network
KR20140010993A (ko) 2003-07-16 2014-01-27 인터디지탈 테크날러지 코포레이션 무선 통신 시스템의 네트워크 관리 엔티티들간의 정보 전송 방법 및 시스템
US20050128977A1 (en) * 2003-07-23 2005-06-16 Interdigital Technology Corporation Method and apparatus for determining and managing congestion in a wireless communications system
US8005055B2 (en) 2003-07-23 2011-08-23 Interdigital Technology Corporation Method and apparatus for determining and managing congestion in a wireless communications system
US7668201B2 (en) * 2003-08-28 2010-02-23 Symbol Technologies, Inc. Bandwidth management in wireless networks
US7324491B1 (en) * 2003-10-29 2008-01-29 Avaya Technology Llc Method and apparatus for over-the-air bandwidth reservations in wireless networks
US7668128B1 (en) * 2004-05-17 2010-02-23 Avaya Inc. Features of power save in 802.11e wireless local area networks (WLANs)
JP4134142B2 (ja) 2004-12-08 2008-08-13 シャープ株式会社 無線通信装置、無線通信システムおよび電力制御方法
JP5198247B2 (ja) * 2005-03-14 2013-05-15 オズモ， インコーポレイテッド 無線ｌａｎネットワークとの共存を強化するオーバレイプロトコルを使用して無線ｐａｎネットワークを動作させる方法及び装置
US7826408B1 (en) 2005-03-14 2010-11-02 Ozmo, Inc. Apparatus and method for integrating short-range wireless personal area networks for a wireless local area network infrastructure
JP2006345453A (ja) * 2005-06-10 2006-12-21 Canon Inc 無線通信装置及びその制御方法とそのプログラム
KR100705503B1 (ko) * 2005-11-15 2007-04-09 한국전자통신연구원 무선 랜 시스템에서 적응적 전송 기회 할당 방법 및 장치
US7751396B2 (en) 2006-02-28 2010-07-06 Nokia Corporation Multicast address signaling for power save delivery in a wireless network
CN101395835A (zh) * 2006-02-28 2009-03-25 诺基亚公司 无线网络中用于省电传送的使用mac报头的多播组地址信令
US8891497B1 (en) 2006-03-14 2014-11-18 Atmel Corporation Method and apparatus for coordinating a wireless PAN network and a wireless LAN network
US20110044258A1 (en) * 2006-12-01 2011-02-24 Canon Kabushiki Kaisha Method of management of resources for the transmission of a data content, corresponding computer program product, storage means and device
WO2009136353A1 (fr) * 2008-05-08 2009-11-12 Koninklijke Philips Electronics N.V. Systèmes de communication sans fil pour données médicales
US20120051748A1 (en) * 2009-07-14 2012-03-01 Mitsubishi Electric Corporation Optical line terminal and pon system
US8687546B2 (en) * 2009-12-28 2014-04-01 Intel Corporation Efficient uplink SDMA operation
KR101807725B1 (ko) 2010-03-09 2017-12-11 삼성전자주식회사 전송 장치 및 수신 장치의 통신 방법
JP5443630B2 (ja) * 2013-03-27 2014-03-19 株式会社東芝 通信装置
FR3008266B1 (fr) * 2013-07-03 2015-08-07 Commissariat Energie Atomique Procede et systeme d'acces multiple avec multiplexage frequentiel de requetes d'autorisation d'envoi de donnees
JP6418244B2 (ja) * 2014-09-30 2018-11-07 富士通株式会社 無線通信システム、無線通信装置、基地局、及び、無線通信方法

Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5371734A (en) * 1993-01-29 1994-12-06 Digital Ocean, Inc. Medium access control protocol for wireless network
US5751708A (en) 1995-10-25 1998-05-12 Lucent Technologies Inc. Access method for broadband and narrowband networks
US6198728B1 (en) * 1996-12-19 2001-03-06 Phillips Electronics North America Corp. Medium access control (MAC) protocol for wireless ATM
WO2002006986A2 (fr) 2000-07-13 2002-01-24 Sharewave, Inc. Qualite d'extensions de service pour applications multimedia dans un reseau d'ordinateurs sans fil
US20020093929A1 (en) * 2001-01-18 2002-07-18 Koninklijke Philips Electronics N.V. System and method for sharing bandwidth between co-located 802.11a/e and HIPERLAN/2 systems
US20020105970A1 (en) * 2001-02-07 2002-08-08 Xtremespectrum, Inc System, method, and computer program product for sharing bandwidth in a wireless personal area network or a wireless local area network
US6469991B1 (en) 1997-10-14 2002-10-22 Lucent Technologies Inc. Method for overload control in a multiple access system for communication networks
US6480506B1 (en) 1999-04-15 2002-11-12 Sharewave Inc Co-location negotiation scheme for wireless computer networks
US20030031208A1 (en) * 2001-08-09 2003-02-13 Magnus Anehem Flexible frame scheduler for simultaneous circuit-and packet-switched communicaion
US20030093526A1 (en) * 2001-11-13 2003-05-15 Koninklijke Philips Electronics N. V. Apparatus and method for providing quality of service signaling for wireless mac layer
US20030198246A1 (en) * 2002-04-23 2003-10-23 Israel Lifshitz Adaptive synchronous media access protocol for shared media networks
US20030214905A1 (en) * 2002-05-10 2003-11-20 Eitan Solomon Dynamic update of quality of service (QoS) parameter set
US6771661B1 (en) * 1999-07-21 2004-08-03 Cisco Technology, Inc. Apparatus and methods for providing event-based data communications device configuration
US7123627B2 (en) * 2001-09-11 2006-10-17 Sharp Laboratories Of America, Inc. Class of computationally parsimonious schedulers for enforcing quality of service over packet based AV-centric home networks

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6567416B1 (en) * 1997-10-14 2003-05-20 Lucent Technologies Inc. Method for access control in a multiple access system for communications networks
US6665307B1 (en) * 1999-07-02 2003-12-16 Telefonaktiebolaget Lm Ericsson (Publ) Variable fast page mode
US6795418B2 (en) * 2000-03-31 2004-09-21 Koninklijke Philips Electronics N.V. Wireless MAC protocol based on a hybrid combination of slot allocation, token passing, and polling for isochronous traffic
US6950399B1 (en) * 2000-07-06 2005-09-27 Matsushita Electric Industrial Co., Ltd. System and associated method for scheduling transport of variable bit-rate data over a network
US7106744B2 (en) * 2001-01-17 2006-09-12 Broadcom Corporation System and method for a guaranteed delay jitter bound when scheduling bandwidth grants for voice calls via cable network
EP1274178A1 (fr) * 2001-06-28 2003-01-08 Siemens Information and Communication Networks S.p.A. Commande de puissance pour liaison descendante dans des systèmes cellulaires à commutation des paquets avec allocation dinamique de canal
US7085306B1 (en) * 2001-10-30 2006-08-01 3Com Corporation System and method for a multi-frequency upstream channel in a computer network

Patent Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5371734A (en) * 1993-01-29 1994-12-06 Digital Ocean, Inc. Medium access control protocol for wireless network
US5751708A (en) 1995-10-25 1998-05-12 Lucent Technologies Inc. Access method for broadband and narrowband networks
US6198728B1 (en) * 1996-12-19 2001-03-06 Phillips Electronics North America Corp. Medium access control (MAC) protocol for wireless ATM
US6469991B1 (en) 1997-10-14 2002-10-22 Lucent Technologies Inc. Method for overload control in a multiple access system for communication networks
US6480506B1 (en) 1999-04-15 2002-11-12 Sharewave Inc Co-location negotiation scheme for wireless computer networks
US6771661B1 (en) * 1999-07-21 2004-08-03 Cisco Technology, Inc. Apparatus and methods for providing event-based data communications device configuration
WO2002006986A2 (fr) 2000-07-13 2002-01-24 Sharewave, Inc. Qualite d'extensions de service pour applications multimedia dans un reseau d'ordinateurs sans fil
US20020093929A1 (en) * 2001-01-18 2002-07-18 Koninklijke Philips Electronics N.V. System and method for sharing bandwidth between co-located 802.11a/e and HIPERLAN/2 systems
US20020105970A1 (en) * 2001-02-07 2002-08-08 Xtremespectrum, Inc System, method, and computer program product for sharing bandwidth in a wireless personal area network or a wireless local area network
US20030031208A1 (en) * 2001-08-09 2003-02-13 Magnus Anehem Flexible frame scheduler for simultaneous circuit-and packet-switched communicaion
US7123627B2 (en) * 2001-09-11 2006-10-17 Sharp Laboratories Of America, Inc. Class of computationally parsimonious schedulers for enforcing quality of service over packet based AV-centric home networks
US20030093526A1 (en) * 2001-11-13 2003-05-15 Koninklijke Philips Electronics N. V. Apparatus and method for providing quality of service signaling for wireless mac layer
US20030198246A1 (en) * 2002-04-23 2003-10-23 Israel Lifshitz Adaptive synchronous media access protocol for shared media networks
US20030214905A1 (en) * 2002-05-10 2003-11-20 Eitan Solomon Dynamic update of quality of service (QoS) parameter set

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
"802.11 PCF Enhancements and Contention Free Bursts", IEEE Document 802-11-00/113, Maarten Hoeben, May 2000.
"Guaranteed Channel Access Queue State Element and Express Data Traffic". IEEE Document 802.11-01/597r1, Peter Johanssen, Nov. 2001.

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050013316A1 (en) * 2003-07-14 2005-01-20 Siemens Technology -To-Business Center Llc. Method and apparatus for providing a delay guarantee for a wireless network
US7801038B2 (en) * 2003-07-14 2010-09-21 Siemens Corporation Method and apparatus for providing a delay guarantee for a wireless network
US20070281617A1 (en) * 2006-06-02 2007-12-06 Arnaud Meylan Efficient operation for co-located WLAN and bluetooth
US7899396B2 (en) * 2006-06-02 2011-03-01 Qulacomm Incorporated Efficient operation for co-located WLAN and Bluetooth
US20120207143A1 (en) * 2006-12-21 2012-08-16 Nxp B.V. Quality of service for wlan and bluetooth combinations
US8929259B2 (en) * 2006-12-21 2015-01-06 Nxp, B .V. Quality of service for WLAN and bluetooth combinations

Also Published As

Publication number Publication date
JP2006513593A (ja) 2006-04-20
AU2003265344A1 (en) 2004-02-23
WO2004012493A3 (fr) 2004-03-18
US7957331B2 (en) 2011-06-07
US20080291858A1 (en) 2008-11-27
JP4079943B2 (ja) 2008-04-23
WO2004012493A2 (fr) 2004-02-12
CN1706136A (zh) 2005-12-07
EP1529362A4 (fr) 2008-06-11
US20050174973A1 (en) 2005-08-11
AU2003265344A8 (en) 2004-02-23
EP1529362A2 (fr) 2005-05-11

Similar Documents

Publication Publication Date Title
US7957331B2 (en) Power saving wireless local area network portable device
US7457973B2 (en) System and method for prioritizing data transmission and transmitting scheduled wake-up times to network stations based on downlink transmission duration
US7508781B2 (en) Power saving mechanism for wireless LANs via schedule information vector
KR101585831B1 (ko) 무선 통신 매체로의 액세스를 제어하는 방법 및 시스템
EP1237334B1 (fr) Qualité de service dans des réseaux locaux sans fils
CN101569139B (zh) 针对wlan和蓝牙结合的服务质量
US7245946B2 (en) Optimal power saving scheduler for 802.11e APSD
US8472416B2 (en) Hybrid coordination in an IEEE 802.11 network
US7272119B2 (en) Methods and systems for quality of service in networks comprising wireless devices
JP4480563B2 (ja) 無線ＬＡＮ基地局装置のＱｏＳ制御方法
US7684428B2 (en) System and method to free unused time-slots in a distributed MAC protocol
US20030063563A1 (en) Class of computationally parsimonious schedulers for enforcing quality of service over packet based AV-centric home networks
US20080240049A1 (en) System and method for controlling throughput of access classes in a wlan
GB2415573A (en) Power saving scheduler for a wireless network
US8553703B2 (en) IEEE 802.11e MAC signaling to support schedule QoS
Kaur et al. Qos in wlan using ieee802. 11e: Survey of qos in mac layer protocols
ZA200503616B (en) IEEE 802.11E MAC signaling to support QoS

Legal Events

Date Code Title Description
AS Assignment

Owner name: SHARP LABORATORIES OF AMERICA, INC., WASHINGTON

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:KANDALA, SRINIVAS;KOWALSKI, JOHN;OHTANI, YOSHIHIRO;AND OTHERS;REEL/FRAME:015824/0235;SIGNING DATES FROM 20030721 TO 20030723

AS Assignment

Owner name: SHARP LABORATORIES OF AMERICA, INC., JAPAN

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:SHARP LABORATORIES OF AMERICA, INC.;REEL/FRAME:015473/0876

Effective date: 20041215

STCF Information on status: patent grant

Free format text: PATENTED CASE

AS Assignment

Owner name: SHARP KABUSHIKI KAISHA, JAPAN

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:SHARP LABORATORIES OF AMERICA INC.;REEL/FRAME:021489/0784

Effective date: 20080908

FPAY Fee payment

Year of fee payment: 4

FEPP Fee payment procedure

Free format text: PAYOR NUMBER ASSIGNED (ORIGINAL EVENT CODE: ASPN); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY

FPAY Fee payment

Year of fee payment: 8

FEPP Fee payment procedure

Free format text: MAINTENANCE FEE REMINDER MAILED (ORIGINAL EVENT CODE: REM.); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY

LAPS Lapse for failure to pay maintenance fees

Free format text: PATENT EXPIRED FOR FAILURE TO PAY MAINTENANCE FEES (ORIGINAL EVENT CODE: EXP.); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY

STCH Information on status: patent discontinuation

Free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362

FP Lapsed due to failure to pay maintenance fee

Effective date: 20200819